package com.ruoyi.common.security.service;
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import com.ruoyi.common.core.constant.CacheConstants;
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import com.ruoyi.common.core.constant.SecurityConstants;
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import com.ruoyi.common.core.utils.JwtUtils;
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import com.ruoyi.common.core.utils.ServletUtils;
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import com.ruoyi.common.core.utils.StringUtils;
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import com.ruoyi.common.core.utils.ip.IpUtils;
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import com.ruoyi.common.core.utils.uuid.IdUtils;
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import com.ruoyi.common.redis.service.RedisService;
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import com.ruoyi.common.security.utils.SecurityUtils;
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import com.ruoyi.system.api.model.LoginUser;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import javax.servlet.http.HttpServletRequest;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.concurrent.TimeUnit;
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/**
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* token验证处理
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*
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* @author ruoyi
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*/
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@Component
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public class TokenService
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{
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private static final Logger log = LoggerFactory.getLogger(TokenService.class);
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@Autowired
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private RedisService redisService;
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protected static final long MILLIS_SECOND = 1000;
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protected static final long MILLIS_MINUTE = 60 * MILLIS_SECOND;
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private final static long expireTime = CacheConstants.EXPIRATION;
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private final static String ACCESS_TOKEN = CacheConstants.LOGIN_TOKEN_KEY;
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private final static Long MILLIS_MINUTE_TEN = CacheConstants.REFRESH_TIME * MILLIS_MINUTE;
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/**
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* 创建令牌1
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*/
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public Map<String, Object> createToken(LoginUser loginUser)
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{
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String token = IdUtils.fastUUID();
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Long userId = loginUser.getSysUser().getUserId();
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String userName = loginUser.getSysUser().getUserName();
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loginUser.setToken(token);
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loginUser.setUserid(userId);
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loginUser.setUsername(userName);
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loginUser.setIpaddr(IpUtils.getIpAddr());
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refreshToken(loginUser);
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// Jwt存储信息
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Map<String, Object> claimsMap = new HashMap<String, Object>();
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claimsMap.put(SecurityConstants.USER_KEY, token);
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claimsMap.put(SecurityConstants.DETAILS_USER_ID, userId);
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claimsMap.put(SecurityConstants.DETAILS_USERNAME, userName);
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// 接口返回信息
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Map<String, Object> rspMap = new HashMap<String, Object>();
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rspMap.put("access_token", JwtUtils.createToken(claimsMap));
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rspMap.put("expires_in", expireTime);
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return rspMap;
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}
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/**
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* 获取用户身份信息
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*
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* @return 用户信息
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*/
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public LoginUser getLoginUser()
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{
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return getLoginUser(ServletUtils.getRequest());
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}
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/**
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* 获取用户身份信息
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*
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* @return 用户信息
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*/
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public LoginUser getLoginUser(HttpServletRequest request)
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{
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// 获取请求携带的令牌
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String token = SecurityUtils.getToken(request);
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return getLoginUser(token);
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}
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/**
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* 获取用户身份信息
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*
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* @return 用户信息
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*/
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public LoginUser getLoginUser(String token)
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{
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LoginUser user = null;
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try
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{
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if (StringUtils.isNotEmpty(token))
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{
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String userkey = JwtUtils.getUserKey(token);
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user = redisService.getCacheObject(getTokenKey(userkey));
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return user;
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}
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}
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catch (Exception e)
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{
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log.error("获取用户信息异常'{}'", e.getMessage());
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}
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return user;
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}
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/**
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* 设置用户身份信息
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*/
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public void setLoginUser(LoginUser loginUser)
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{
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if (StringUtils.isNotNull(loginUser) && StringUtils.isNotEmpty(loginUser.getToken()))
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{
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refreshToken(loginUser);
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}
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}
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/**
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* 删除用户缓存信息
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*/
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public void delLoginUser(String token)
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{
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if (StringUtils.isNotEmpty(token))
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{
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String userkey = JwtUtils.getUserKey(token);
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redisService.deleteObject(getTokenKey(userkey));
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}
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}
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/**
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* 验证令牌有效期，相差不足120分钟，自动刷新缓存
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*
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* @param loginUser
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*/
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public void verifyToken(LoginUser loginUser)
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{
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long expireTime = loginUser.getExpireTime();
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long currentTime = System.currentTimeMillis();
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if (expireTime - currentTime <= MILLIS_MINUTE_TEN)
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{
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refreshToken(loginUser);
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}
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}
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/**
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* 刷新令牌有效期
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*
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* @param loginUser 登录信息
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*/
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public void refreshToken(LoginUser loginUser)
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{
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loginUser.setLoginTime(System.currentTimeMillis());
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loginUser.setExpireTime(loginUser.getLoginTime() + expireTime * MILLIS_MINUTE);
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// 根据uuid将loginUser缓存
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String userKey = getTokenKey(loginUser.getToken());
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redisService.setCacheObject(userKey, loginUser, expireTime, TimeUnit.MINUTES);
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}
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private String getTokenKey(String token)
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{
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return ACCESS_TOKEN + token;
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}
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}
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